2002 JY71

2002JY71, 1997 FC2, 1997FC2, 43689, J97F02C, K02J71Y

All data for this body: [vot]

MPC data
Name (number) 2002 JY71 (43689)
a 2.67205
e 0.13824
i / sin(i) 9.4990 / 0.16503
q 2.30266
Q 3.04144
ω 2.5456
Node 167.6658
m 138.0342
n 0.2257
Epoch 2460800.5
nobs 1715
nopp 23
Years observed 1993-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.673
ep 0.172
sin(ip) 0.157
G 0.150
H 14.700
Mass
D 3.17 0.235
pV 0.368 0.0894
Value
Rotational Period 7.540
Period quality 2
Spectral Class X
Spectral Class Score 3.864
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6731 0.1715 0.1566 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.17 0.235 0.235 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.368 0.0894 0.0894 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.547 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
7.5489 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.4824 0.4824 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.644 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT